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Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1890-01-07419,170506182
1890-01-14419,617447140
1890-01-21420,026409181
1890-01-28420,427401170
1890-02-04420,924497150
1890-02-11421,373449140
1890-02-18421,886513300
1890-02-25422,360474191
1890-03-04422,898538290
1890-03-11423,430532212
1890-03-18423,892462121
1890-03-25424,444552290
1890-04-01424,943499170
1890-04-08425,395452180
1890-04-15426,020625160
1890-04-22426,422402182
1890-04-29427,030608330
1890-05-06427,531501200
1890-05-13428,058527300
1890-05-20428,58552790
1890-05-27429,106521230
1890-06-03429,590484150
1890-06-10430,103513251
1890-06-17430,605502201
1890-06-24431,025420100
1890-07-01431,541516200
1890-07-08432,006465171
1890-07-15432,502496180
1890-07-22432,964462362
1890-07-29433,432468370
1890-08-05433,926494260
1890-08-12434,418492201
1890-08-19434,903485470
1890-08-26435,382479160
1890-09-02435,911529110
1890-09-09436,326415170
1890-09-16436,766440170
1890-09-23437,17240690
1890-09-30437,672500200
1890-10-07438,130458151
1890-10-14438,596466210
1890-10-21439,085489190
1890-10-28439,617532291
1890-11-04440,121504171
1890-11-11440,613492210
1890-11-18441,119506140
1890-11-25441,629510191
1890-12-02442,090461390
1890-12-09442,598508170
1890-12-16443,083485340
1890-12-23443,488405110
1890-12-30443,986498150
The 'shotgun' links will bring up a page that lets you quickly click on the utility patents issued on the date selected. Clicks in the Datamp Count column will bring up the patents in the datamp database that have the grant date of the row selected. Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.